51. The total value of nickels and dimes in a coin bank is $3. If the nickels
were dimes and the dimes were nickels, the total value of the coins
would be $3.75. find the number of nickels and the number of dimes in
52. Solve. (Show your work step by step.)
53. Jackson has a total of $6000 invested in two simple interest accounts.
The annual simple interest rates are 9% and 6%. How much is invested
in each account if the total interest earned is $432.
Use two variables and two equations.
x = the amount invested @9% account
y = the amount invested @ 6% account
Set up the equations and solve the problem.
Use the total principal $6,000 to set up the first equation.
Use the total interest earned $432 to set up the second equation.
Use long division method. (Must show your work.Circle your anwer.)